[llvm] [gn build] Port 934f795064ab (PR #192099)

[Nico Weber via llvm-commits]

https://github.com/nico created https://github.com/llvm/llvm-project/pull/192099

[gn build] Port 934f795064ab

>From 72470f70a968a16a934912f6703f52749f0953c6 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis at chromium.org>
Date: Tue, 14 Apr 2026 14:00:47 -0400
Subject: [PATCH] [gn build] Port 934f795064ab

---
 llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
index eb2b54b8ea253..5691002325e3d 100644
--- a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
@@ -101,6 +101,7 @@ static_library("Driver") {
     "ToolChains/SPIRV.cpp",
     "ToolChains/SPIRVOpenMP.cpp",
     "ToolChains/SYCL.cpp",
+    "ToolChains/Serenity.cpp",
     "ToolChains/Solaris.cpp",
     "ToolChains/TCE.cpp",
     "ToolChains/UEFI.cpp",